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CN102010228B - Outer wall sealing impervious interface agent and preparing method thereof - Google Patents

Outer wall sealing impervious interface agent and preparing method thereof Download PDF

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Publication number
CN102010228B
CN102010228B CN201010543200.3A CN201010543200A CN102010228B CN 102010228 B CN102010228 B CN 102010228B CN 201010543200 A CN201010543200 A CN 201010543200A CN 102010228 B CN102010228 B CN 102010228B
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agent
emulsion
water
wall sealing
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CN102010228A (en
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麻新闻
李小亮
陆文雄
谢旭东
王亚军
薛进明
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SHANGHAI UNIVERSITY
SHANGHAI BEIHENG CHEMICAL BUILDING MATERIAL CO Ltd
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SHANGHAI UNIVERSITY
SHANGHAI BEIHENG CHEMICAL BUILDING MATERIAL CO Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/30Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
    • C04B26/32Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Sealing Material Composition (AREA)

Abstract

本发明涉及一种外墙封固抗渗界面剂,其组成的重量百分比为:丙烯酸乳液20~30%、硅丙乳液10~15、聚醋酸乙烯乳液10~15%、水40~55%、增稠剂0.4~0.8%、乙二醇0.9~1.2%、润湿剂0.2~0.5%、分散剂0.2~0.5%、消泡剂0.15~0.3%、保水剂0.13~0.2%、pH调节剂0.13~0.2%、杀菌剂0.08~0.1%。其制备方法是将保水剂溶于水,搅拌后将分散剂、润湿剂、杀菌剂、消泡剂依次加入并搅拌;将乙二醇加入并搅拌;再将丙烯酸乳液、硅丙乳液、聚醋酸乙烯乳液依次加入并搅拌;最后将pH调节剂和增稠剂依次加入并搅拌,即得外墙封固抗渗界面剂。本发明方法制备的外墙封固抗渗界面剂具有很好的封固抗渗作用,能有效地防止水分和碱性物质渗入外墙节能保温系统,对外墙节能保温系统具有优良的使用性能、施工性能和储存性能。The invention relates to an anti-seepage interface agent for external wall sealing, which is composed of 20-30% of acrylic emulsion, 10-15% of silicon-acrylic emulsion, 10-15% of polyvinyl acetate emulsion, 40-55% of water, Thickener 0.4-0.8%, ethylene glycol 0.9-1.2%, wetting agent 0.2-0.5%, dispersant 0.2-0.5%, defoamer 0.15-0.3%, water-retaining agent 0.13-0.2%, pH regulator 0.13 ~0.2%, fungicide 0.08~0.1%. Its preparation method is to dissolve the water-retaining agent in water, and after stirring, add the dispersant, wetting agent, bactericide, and defoamer in sequence and stir; add ethylene glycol and stir; then add acrylic emulsion, silicone acrylic emulsion, poly The vinyl acetate emulsion is added in sequence and stirred; finally, the pH regulator and the thickener are added in sequence and stirred to obtain the anti-seepage interface agent for external wall sealing. The external wall sealing and anti-seepage interface agent prepared by the method of the present invention has a good sealing and anti-seepage effect, can effectively prevent moisture and alkaline substances from penetrating into the external wall energy-saving and thermal insulation system, and the external wall energy-saving thermal insulation system has excellent performance, Construction performance and storage performance.

Description

一种外墙封固抗渗界面剂及其制备方法A kind of external wall sealing anti-seepage interface agent and preparation method thereof

技术领域 technical field

本发明涉及一种外墙节能外保温系统用封固抗渗界面剂及其制备方法,属于建筑材料技术领域。 The invention relates to a sealing anti-seepage interface agent for an energy-saving and external thermal insulation system of an external wall and a preparation method thereof, belonging to the technical field of building materials.

背景技术 Background technique

外墙节能保温系统是由固定层、保温层、增强层和抹面装饰层等组成,其中增强层是由增强玻璃纤维网格布和水泥砂浆构成。随着要求的提高,对外墙节能保温系统效能的要求越来越高,而外墙节能保温系统的效能主要受系统防水性能的影响。目前,外墙节能保温系统的防水措施主要是在节点、窗口等处使用防水涂料等防水材料进行防水处理,而对大面未进行任何防水处理,主要靠抹面装饰层材料本身的防水作用,抹面装饰层主要分为是涂料面和瓷砖(面砖)饰面,而涂料主要为水性涂料,瓷砖(面砖)饰面中的勾缝剂等主要为无机材料,可见饰面的防水不会很好,容易造成水分会从饰面层渗入保温体系,造成体系的保温效能降低。现有产品由于耐碱虽然能达到标准要求,但抗渗防水效果普遍较差,使用后封底效果达不到要求。 The external wall energy-saving and thermal insulation system is composed of a fixed layer, an insulation layer, a reinforced layer and a plastered decorative layer, among which the reinforced layer is composed of reinforced glass fiber mesh cloth and cement mortar. With the improvement of requirements, the performance requirements of the external wall energy-saving thermal insulation system are getting higher and higher, and the performance of the external wall energy-saving thermal insulation system is mainly affected by the waterproof performance of the system. At present, the waterproof measures of the external wall energy-saving and thermal insulation system are mainly to use waterproof materials such as waterproof paint for waterproof treatment at nodes, windows, etc. The decorative layer is mainly divided into paint surface and ceramic tile (face brick) finish, and the paint is mainly water-based paint, and the jointing agent in the tile (face brick) finish is mainly inorganic materials, so it can be seen that the waterproof of the finish is not very good. It is easy to cause moisture to penetrate into the thermal insulation system from the decorative layer, resulting in a decrease in the thermal insulation performance of the system. Although the existing products can meet the standard requirements due to alkali resistance, the anti-seepage and waterproof effects are generally poor, and the back-sealing effect after use cannot meet the requirements.

发明内容 Contents of the invention

本发明的目的是提供一种外墙封固抗渗界面剂及其制备方法,制备能有效防止增强层中碱性物质的渗出,防止水分通过饰面层进入保温体系,增强抹面层与饰面层的粘结强度的外墙封固抗渗界面剂。 The purpose of the present invention is to provide an anti-seepage interface agent for external wall sealing and its preparation method, which can effectively prevent the seepage of alkaline substances in the reinforcing layer, prevent moisture from entering the heat preservation system through the facing layer, and strengthen the plastering layer and the insulation system. The bonding strength of the facing layer is an external wall sealing anti-seepage interface agent.

为达到上述目的,本发明采用如下技术方案。 In order to achieve the above object, the present invention adopts the following technical solutions.

一种外墙封固抗渗界面剂,其特征在于以下工艺过程: An external wall sealing anti-seepage interface agent is characterized in that the following process:

a、 确定原料配方,选定所用的原料及其重量百分比;各原料组分及其重量百分比为: a. Determine the raw material formula, select the raw materials used and their weight percentages; each raw material component and its weight percentages are:

丙烯酸乳液         20~30%    硅丙乳液       10~15% Acrylic emulsion 20~30% Silicone acrylic emulsion 10~15%

聚醋酸乙烯乳液     10~15%    水           40~55% Polyvinyl acetate emulsion 10~15% water 40~55%

增稠剂             0.4~0.8%   乙二醇       0.9~1.2% Thickener 0.4~0.8% Ethylene Glycol 0.9~1.2%

润湿剂             0.2~0.5%   分散剂       0.2~0.5% Wetting agent 0.2~0.5% Dispersant 0.2~0.5%

消泡剂            0.15~0.3%   保水剂       0.13~0.2% Defoamer 0.15~0.3% Water retention agent 0.13~0.2%

pH调节剂         0.13~0.2%   杀菌剂       0.08~0.1%。 pH adjuster 0.13~0.2% Bactericide 0.08~0.1%.

各原料的规格要求如下: The specification requirements of each raw material are as follows:

丙烯酸乳液   苯乙烯和丙烯酸脂按1:8(摩尔比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(47±1)wt %。 Acrylic emulsion The emulsion obtained by copolymerization of styrene and acrylate at a ratio of 1:8 (molar ratio), pH value is 7±1, viscosity is 3000~8000 cps (3#12r, 25°C), solid content is (47±1) wt %.

硅丙乳液     甲基丙烯酸甲酯、丙烯酸丁酯、丙烯酸和乙烯基三乙氧基硅烷按12:18:1:5(质量比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(45±1)wt %。 Silicone acrylic emulsion Copolymerized methyl methacrylate, butyl acrylate, acrylic acid and vinyl triethoxysilane at a ratio of 12:18:1:5 (mass ratio), the pH value is 7±1, and the viscosity is 3000~8000 cps (3#12r, 25°C), the solid content is (45±1) wt %.

聚醋酸乙烯乳液  聚醋酸乙烯和乙烯按1:4(质量比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(55±1)wt %。 Polyvinyl acetate emulsion The emulsion obtained by copolymerization of polyvinyl acetate and ethylene at a ratio of 1:4 (mass ratio), has a pH value of 7±1, a viscosity of 3000~8000 cps (3#12r, 25°C), and a solid content of (55±1 )wt%.

保水剂  乙基纤维素、羟乙基纤维素、羟乙基甲基纤维素或乙基羟乙基纤维素中的一种或两种; Water retaining agent One or two of ethyl cellulose, hydroxyethyl cellulose, hydroxyethyl methyl cellulose or ethyl hydroxyethyl cellulose;

分散剂     为阳离子型,聚羧酸盐类分散剂; The dispersant is a cationic, polycarboxylate dispersant;

润湿剂     为非离子型,聚氧乙烯芳基醚类润湿剂; The wetting agent is a non-ionic, polyoxyethylene aryl ether wetting agent;

消泡剂     为矿物油类消泡剂; The defoamer is a mineral oil defoamer;

杀菌剂     为异噻唑啉酮类杀菌剂; The fungicide is an isothiazolinone fungicide;

增稠剂      为纤维素醚类增稠剂; The thickener is a cellulose ether thickener;

pH调节剂   2-氨基-2-甲基-1-丙醇或氨水。 pH regulator 2-amino-2-methyl-1-propanol or ammonia water.

b、根据上述配方分别称量配料,将保水剂溶于水,低速搅拌15~25分钟后,将分散剂、润湿剂、杀菌剂、消泡剂依次加入并低速搅拌10~20分钟;再将乙二醇加入并中速搅拌10~15分钟;再将丙烯酸乳液、硅丙乳液、聚醋酸乙烯乳液依次加入并中速搅拌20~30分钟;最后将pH调节剂和增稠剂依次加入并中速搅拌10~20分钟,即得外墙封固抗渗界面剂。 b. Weigh the ingredients according to the above formula, dissolve the water-retaining agent in water, stir at a low speed for 15-25 minutes, then add the dispersant, wetting agent, bactericide, and defoamer in sequence and stir at a low speed for 10-20 minutes; Add ethylene glycol and stir at medium speed for 10-15 minutes; then add acrylic emulsion, silicone acrylic emulsion, and polyvinyl acetate emulsion in sequence and stir at medium speed for 20-30 minutes; finally add pH regulator and thickener in sequence and Stir at a medium speed for 10-20 minutes to obtain the anti-permeability interface agent for external wall sealing.

本发明方法制备的封固抗渗界面剂对外墙节能保温系统具有优良的使用性能、施工性能和储存性能。对基材有较强的封闭性能,与基材的粘结性强;与多种水性涂料具有很好的相容性,适应性强;同时,施工方法简单,可辊涂亦可喷涂。此外,该底漆无毒无味,对人体无害属于环保产品。 The sealing anti-seepage interface agent prepared by the method of the invention has excellent performance in use, construction and storage for the energy-saving and thermal insulation system of the outer wall. It has strong sealing performance on the substrate and strong adhesion to the substrate; it has good compatibility with various water-based paints and has strong adaptability; at the same time, the construction method is simple, and it can be rolled or sprayed. In addition, the primer is non-toxic and tasteless, harmless to the human body and is an environmentally friendly product.

具体实施方式 Detailed ways

下面结合实施例对本发明进行详细说明。 The present invention will be described in detail below in conjunction with examples.

实施例1Example 1

本实施例以制备100kg外墙用封固抗渗界面剂为例,其制备过程如下: In this embodiment, the preparation of 100 kg of sealing and anti-seepage interface agent for external walls is taken as an example, and the preparation process is as follows:

按规定原料配方称量配料,各原料的用量重量百分比为: Weigh the ingredients according to the specified raw material formula, and the weight percentage of the amount of each raw material is:

丙烯酸乳液         20%    硅丙乳液        10% Acrylic emulsion 20% Silicone acrylic emulsion 10%

聚醋酸乙烯乳液     15%    水           52%、 Polyvinyl acetate emulsion 15% water 52%,

增稠剂             0.8%   乙二醇       1.0 % Thickener 0.8% Ethylene Glycol 1.0%

润湿剂             0.3%   分散剂       0.3% Wetting agent 0.3% Dispersant 0.3%

消泡剂            0.25%   保水剂       0.14% Defoamer 0.25% Water retention agent 0.14%

pH调节剂        0.13%    杀菌剂       0.08%。 pH adjuster 0.13% Bactericide 0.08%.

各原料的规格要求如下: The specification requirements of each raw material are as follows:

丙烯酸乳液   苯乙烯和丙烯酸脂按1:8(摩尔比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(47±1)wt %。 Acrylic emulsion The emulsion obtained by copolymerization of styrene and acrylate at a ratio of 1:8 (molar ratio), pH value is 7±1, viscosity is 3000~8000 cps (3#12r, 25°C), solid content is (47±1) wt %.

硅丙乳液     甲基丙烯酸甲酯、丙烯酸丁酯、丙烯酸和乙烯基三乙氧基硅烷按12:18:1:5(质量比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(45±1)wt %。 Silicone acrylic emulsion Copolymerized methyl methacrylate, butyl acrylate, acrylic acid and vinyl triethoxysilane at a ratio of 12:18:1:5 (mass ratio), the pH value is 7±1, and the viscosity is 3000~8000 cps (3#12r, 25°C), the solid content is (45±1) wt %.

聚醋酸乙烯乳液    聚醋酸乙烯和乙烯按1:4(质量比)共聚所得乳液,共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(55±1)wt %。 Polyvinyl acetate emulsion The emulsion obtained by copolymerization of polyvinyl acetate and ethylene at a ratio of 1:4 (mass ratio), the pH value of the copolymerized emulsion is 7±1, the viscosity is 3000~8000 cps (3#12r, 25°C), and the solid content is (55±1)wt%.

保水剂     羟乙基甲基纤维素; Water retaining agent Hydroxyethyl methylcellulose;

分散剂     为阳离子型聚羧酸盐类分散剂,聚苯乙烯-顺丁稀二酸铵; The dispersant is a cationic polycarboxylate dispersant, polystyrene-ammonium maleate;

润湿剂     为非离子型聚氧乙烯芳基醚类润湿剂,聚氧乙烯芳基醚; The wetting agent is a non-ionic polyoxyethylene aryl ether wetting agent, polyoxyethylene aryl ether;

消泡剂     为矿物油类消泡剂,疏水二氧化硅; The defoamer is mineral oil defoamer, hydrophobic silica;

杀菌剂     为异噻唑啉酮类杀菌剂,2-正辛基-4-异噻唑啉-3-酮; The fungicide is an isothiazolinone fungicide, 2-n-octyl-4-isothiazolin-3-one;

增稠剂      为纤维素醚类增稠剂,甲基羟乙基纤维素; The thickener is a cellulose ether thickener, methyl hydroxyethyl cellulose;

pH调节剂   2-氨基-2-甲基-1-丙醇。 pH regulator 2-amino-2-methyl-1-propanol.

根据述配方分别称量配料,将保水剂溶于水,低速搅拌20分钟后,将分散剂、润湿剂、杀菌剂、消泡剂依次加入并低速搅拌15分钟;再将乙二醇加入并中速搅拌15分钟;再将丙烯酸乳液、硅丙乳液、聚醋酸乙烯乳液依次加入并中速搅拌25分钟;最后将pH调节剂和增稠剂依次加入并中速搅拌10分钟,即得外墙封固抗渗界面剂。 Weigh the ingredients respectively according to the above formula, dissolve the water-retaining agent in water, stir at a low speed for 20 minutes, then add the dispersant, wetting agent, bactericide, and defoamer in sequence and stir at a low speed for 15 minutes; then add ethylene glycol and mix Stir at medium speed for 15 minutes; then add acrylic emulsion, silicone acrylic emulsion, polyvinyl acetate emulsion in sequence and stir for 25 minutes at medium speed; finally add pH regulator and thickener in sequence and stir for 10 minutes at medium speed to obtain the outer wall Sealing impermeable interface agent.

实施例2Example 2

本实施例以制备100kg外墙用封固抗渗界面剂为例,其制备过程如下: In this embodiment, the preparation of 100 kg of sealing and anti-seepage interface agent for external walls is taken as an example, and the preparation process is as follows:

按规定原料配方称量配料,各原料的用量重量百分比为: Weigh the ingredients according to the specified raw material formula, and the weight percentage of the amount of each raw material is:

丙烯酸乳液         27%    硅丙乳液        12.5% Acrylic emulsion 27% Silicone acrylic emulsion 12.5%

聚醋酸乙烯乳液     13%    水           45%、 Polyvinyl acetate emulsion 13% water 45%,

增稠剂             0.6%   乙二醇       0.9% Thickener 0.6% Ethylene Glycol 0.9%

润湿剂             0.2%   分散剂       0.2% Wetting agent 0.2% Dispersant 0.2%

消泡剂             0.2%   保水剂       0.18 % Defoamer 0.2% Water retention agent 0.18%

pH调节剂         0.13%   杀菌剂       0.09%。 pH adjuster 0.13% Bactericide 0.09%.

各原料的规格要求如下: The specification requirements of each raw material are as follows:

丙烯酸乳液   苯乙烯和丙烯酸脂按1:8(摩尔比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(47±1)wt %。 Acrylic emulsion The emulsion obtained by copolymerization of styrene and acrylate at a ratio of 1:8 (molar ratio), pH value is 7±1, viscosity is 3000~8000 cps (3#12r, 25°C), solid content is (47±1) wt %.

硅丙乳液     甲基丙烯酸甲酯、丙烯酸丁酯、丙烯酸和乙烯基三乙氧基硅烷按12:18:1:5(质量比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(45±1)wt %。 Silicone acrylic emulsion Copolymerized methyl methacrylate, butyl acrylate, acrylic acid and vinyl triethoxysilane at a ratio of 12:18:1:5 (mass ratio), the pH value is 7±1, and the viscosity is 3000~8000 cps (3#12r, 25°C), the solid content is (45±1) wt %.

聚醋酸乙烯乳液  聚醋酸乙烯和乙烯按1:4(质量比)共聚所得乳液,共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(55±1)wt %。 Polyvinyl acetate emulsion The emulsion obtained by copolymerization of polyvinyl acetate and ethylene at a ratio of 1:4 (mass ratio), the pH value of the copolymerized emulsion is 7±1, the viscosity is 3000~8000 cps (3#12r, 25°C), and the solid content is (55±1)wt%.

保水剂     羟乙基甲基纤维素; Water retaining agent Hydroxyethyl methylcellulose;

分散剂     为阳离子型聚羧酸盐类分散剂,聚苯乙烯-顺丁稀二酸铵; The dispersant is a cationic polycarboxylate dispersant, polystyrene-ammonium maleate;

润湿剂     为非离子型聚氧乙烯芳基醚类润湿剂,聚氧乙烯芳基醚; The wetting agent is a non-ionic polyoxyethylene aryl ether wetting agent, polyoxyethylene aryl ether;

消泡剂     为矿物油类消泡剂,疏水二氧化硅; The defoamer is mineral oil defoamer, hydrophobic silica;

杀菌剂     为异噻唑啉酮类杀菌剂,2-正辛基-4-异噻唑啉-3-酮; The fungicide is an isothiazolinone fungicide, 2-n-octyl-4-isothiazolin-3-one;

增稠剂      为纤维素醚类增稠剂,甲基羟乙基纤维素; The thickener is a cellulose ether thickener, methyl hydroxyethyl cellulose;

pH调节剂   2-氨基-2-甲基-1-丙醇。 pH regulator 2-amino-2-methyl-1-propanol.

根据述配方分别称量配料,将保水剂溶于水,低速搅拌15分钟后,将分散剂、润湿剂、杀菌剂、消泡剂依次加入并低速搅拌20分钟;再将乙二醇加入并中速搅拌10分钟;再将丙烯酸乳液、硅丙乳液、聚醋酸乙烯乳液依次加入并中速搅拌30分钟;最后将pH调节剂和增稠剂依次加入并中速搅拌15分钟,即得外墙封固抗渗界面剂。 Weigh the ingredients respectively according to the above formula, dissolve the water retaining agent in water, stir at low speed for 15 minutes, then add dispersant, wetting agent, bactericide and defoamer in turn and stir at low speed for 20 minutes; then add ethylene glycol and mix Stir at medium speed for 10 minutes; then add acrylic emulsion, silicone acrylic emulsion, polyvinyl acetate emulsion in sequence and stir for 30 minutes at medium speed; finally add pH regulator and thickener in sequence and stir for 15 minutes at medium speed to obtain the outer wall Sealing impermeable interface agent.

实施例3Example 3

本实施例以制备100kg外墙用封固抗渗界面剂为例,其制备过程如下: In this embodiment, the preparation of 100 kg of sealing and anti-seepage interface agent for external walls is taken as an example, and the preparation process is as follows:

按规定原料配方称量配料,各原料的用量重量百分比为: Weigh the ingredients according to the specified raw material formula, and the weight percentage of the amount of each raw material is:

丙烯酸乳液         30%     硅丙乳液      15% Acrylic emulsion 30% Silicone acrylic emulsion 15%

聚醋酸乙烯乳液     10%    水           42%、 Polyvinyl acetate emulsion 10% water 42%,

增稠剂             0.4%   乙二醇       1.1% Thickener 0.4% Ethylene Glycol 1.1%

润湿剂             0.4%   分散剂       0.4% Wetting agent 0.4% Dispersant 0.4%

消泡剂            0.27%   保水剂       0.18% Defoamer 0.27% Water retention agent 0.18%

pH调节剂         0.15%   杀菌剂        0.1%。 pH adjuster 0.15% Bactericide 0.1%.

各原料的规格要求如下: The specification requirements of each raw material are as follows:

丙烯酸乳液   苯乙烯和丙烯酸脂按1:8(摩尔比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(47±1)wt %。 Acrylic emulsion The emulsion obtained by copolymerization of styrene and acrylate at a ratio of 1:8 (molar ratio), pH value is 7±1, viscosity is 3000~8000 cps (3#12r, 25°C), solid content is (47±1) wt %.

硅丙乳液     甲基丙烯酸甲酯、丙烯酸丁酯、丙烯酸和乙烯基三乙氧基硅烷按12:18:1:5(质量比)共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(45±1)wt %。 Silicone acrylic emulsion Copolymerized methyl methacrylate, butyl acrylate, acrylic acid and vinyl triethoxysilane at a ratio of 12:18:1:5 (mass ratio), the pH value is 7±1, and the viscosity is 3000~8000 cps (3#12r, 25°C), the solid content is (45±1) wt %.

聚醋酸乙烯乳液  聚醋酸乙烯和乙烯按1:4(质量比)共聚所得乳液,共聚所得乳液,pH值为7±1,黏度为3000~8000 cps(3#12r,25℃),固含量为(55±1)wt %。 Polyvinyl acetate emulsion The emulsion obtained by copolymerization of polyvinyl acetate and ethylene at a ratio of 1:4 (mass ratio), the pH value of the copolymerized emulsion is 7±1, the viscosity is 3000~8000 cps (3#12r, 25°C), and the solid content is (55±1)wt%.

保水剂     羟乙基甲基纤维素; Water retaining agent Hydroxyethyl methylcellulose;

分散剂     为阳离子型聚羧酸盐类分散剂,聚苯乙烯-顺丁稀二酸铵; The dispersant is a cationic polycarboxylate dispersant, polystyrene-ammonium maleate;

润湿剂     为非离子型聚氧乙烯芳基醚类润湿剂,聚氧乙烯芳基醚; The wetting agent is a non-ionic polyoxyethylene aryl ether wetting agent, polyoxyethylene aryl ether;

消泡剂     为矿物油类消泡剂,疏水二氧化硅; The defoamer is mineral oil defoamer, hydrophobic silica;

杀菌剂     为异噻唑啉酮类杀菌剂,2-正辛基-4-异噻唑啉-3-酮; The fungicide is an isothiazolinone fungicide, 2-n-octyl-4-isothiazolin-3-one;

增稠剂      为纤维素醚类增稠剂,甲基羟乙基纤维素; The thickener is a cellulose ether thickener, methyl hydroxyethyl cellulose;

pH调节剂   2-氨基-2-甲基-1-丙醇。 pH regulator 2-amino-2-methyl-1-propanol.

根据述配方分别称量配料,将保水剂溶于水,低速搅拌25分钟后,将分散剂、润湿剂、杀菌剂、消泡剂依次加入并低速搅拌10分钟;再将乙二醇加入并中速搅拌10分钟;再将丙烯酸乳液、硅丙乳液、聚醋酸乙烯乳液依次加入并中速搅拌20分钟;最后将pH调节剂和增稠剂依次加入并中速搅拌20分钟,即得外墙封固抗渗界面剂。 Weigh the ingredients respectively according to the above formula, dissolve the water-retaining agent in water, stir at a low speed for 25 minutes, then add the dispersant, wetting agent, bactericide, and defoamer in sequence and stir at a low speed for 10 minutes; then add ethylene glycol and mix Stir at medium speed for 10 minutes; then add acrylic emulsion, silicone acrylic emulsion, polyvinyl acetate emulsion in sequence and stir for 20 minutes at medium speed; finally add pH regulator and thickener in sequence and stir for 20 minutes at medium speed to obtain the outer wall Sealing impermeable interface agent.

参照JG/T 210—2007的测试方法,分别对实施实例中所得的外墙用封固抗渗界面剂进行施工性、低温稳定性、干燥时间(表干)、耐水性、耐碱性、附着力、抗泛碱性和抗盐析性等各项性能测试。其测试结果如下表所示。 Referring to the test method of JG/T 210-2007, the sealing and anti-seepage interface agent for external walls obtained in the implementation examples were tested for construction performance, low temperature stability, drying time (surface dry), water resistance, alkali resistance, attachment, etc. Various performance tests such as strength, pan-alkaline resistance and salting-out resistance. The test results are shown in the table below.

外墙用封固抗渗界面剂性能测试结果 Performance test results of sealing and anti-seepage interface agent for exterior walls

测试项目Test items 实施例1Example 1 实施例2Example 2 实施例3Example 3 施工性Construction 刷涂无障碍Brushing is accessible 刷涂无障碍Brushing is accessible 刷涂无障碍Brushing is accessible 低温稳定性low temperature stability 不变质no deterioration 不变质no deterioration 不变质no deterioration 耐水性(96h)Water resistance (96h) 无异常No abnormality 无异常No abnormality 无异常No abnormality 耐碱性(48h)Alkali resistance (48h) 无异常No abnormality 无异常No abnormality 无异常No abnormality 附着力,级Adhesion, grade 00 00 00 抗泛碱性(48h)Anti-pantothenic (48h) 无异常No abnormality 无异常No abnormality 无异常No abnormality 抗盐析性(72h)Salt-out resistance (72h) 无异常No abnormality 无异常No abnormality 无异常No abnormality

Claims (4)

1. an outer wall sealing impervious interface agent, is characterized in that the composition of this interfacial agents and weight percent thereof are:
ACRYLIC EMULSION 20 ~ 30% organosilicon crylic acid latex 10 ~ 15%
Polyvinyl acetate emulsion 10 ~ 15% water 40 ~ 55%
Thickening material 0.4 ~ 0.8% ethylene glycol 0.9 ~ 1.2%
Wetting agent 0.2 ~ 0.5% dispersion agent 0.2 ~ 0.5%
Defoamer 0.15 ~ 0.3% water-holding agent 0.13 ~ 0.2%
PH adjusting agent 0.13 ~ 0.2% sterilant 0.08 ~ 0.1%;
Wherein, ACRYLIC EMULSION is vinylbenzene and CALCIUM ACRYLATE is 1:8 copolymerization gained emulsion in molar ratio, and pH value is 7 ± 1, and viscosity is 3000 ~ 8000 cps, and solid content is 46 ~ 48wt%;
Organosilicon crylic acid latex is methyl methacrylate, butyl acrylate, vinylformic acid and vinyltriethoxysilane is 12:18:1:5 copolymerization gained emulsion in mass ratio, and pH value is 7 ± 1, and viscosity is 3000 ~ 8000 cps, and solid content is 44 ~ 46wt %;
Polyvinyl acetate emulsion is Vinyl Acetate Copolymer and ethene is 1:4 copolymerization gained emulsion in mass ratio, and pH value is 7 ± 1, and viscosity is 3000 ~ 8000 cps, and solid content is 54 ~ 56wt %;
Water-holding agent is one or both in ethyl cellulose, Natvosol, hydroxyethylmethyl-cellulose or Type 3U;
Dispersion agent is cationic;
Wetting agent is non-ionic type;
Defoamer is mineral oil defoaming agent;
Sterilant is isothiazolinone biocide agent;
Thickening material is cellulose ethers thickening material;
PH adjusting agent is 2-amino-2-methyl-1-propanol or ammoniacal liquor.
2. according to claim 1outer wall sealing impervious interface agent, is characterized in that described cationic dispersing agent is polycarboxylic acid salt's dispersion agent.
3. according to claim 1outer wall sealing impervious interface agent, is characterized in that described non-ionic wetting agent is polyoxyethylene aryl ether class wetting agent.
4. the preparation method of the outer wall sealing impervious interface agent according to claim 1,2 or 3, it is characterized in that the method has following technological process: by the composition weigh batching respectively of claim 1, water-holding agent is water-soluble, stirring at low speed is after 15 ~ 25 minutes, dispersion agent, wetting agent, sterilant, defoamer added successively and stirring at low speed 10 ~ 20 minutes; Again ethylene glycol is added and moderate-speed mixer 10 ~ 15 minutes; Again ACRYLIC EMULSION, organosilicon crylic acid latex, polyvinyl acetate emulsion are added successively and moderate-speed mixer 20 ~ 30 minutes; Finally pH adjusting agent and thickening material are added successively and moderate-speed mixer 10 ~ 20 minutes, obtain outer wall sealing impervious interface agent.
CN201010543200.3A 2010-11-15 2010-11-15 Outer wall sealing impervious interface agent and preparing method thereof Expired - Fee Related CN102010228B (en)

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